| block | time | attacker | target | profit | currency |
|---|---|---|---|---|---|
| 2197497 | 2022-07-02T01:30:12.372 | sWzW9VnR… | qmmNufxe… | 0.0023775 | KAR |
| 2206950 | 2022-07-03T16:49:54.467 | sWzW9VnR… | qmmNufxe… | 0.0058164 | KAR |
| 2217562 | 2022-07-05T12:31:48.316 | sWzW9VnR… | qmmNufxe… | 0.0067498 | KAR |
| 2249927 | 2022-07-11T00:33:54.589 | sWzW9VnR… | qmmNufxe… | 0.0072997 | KAR |
| 2264612 | 2022-07-13T12:44:48.206 | sWzW9VnR… | qmmNufxe… | 0.0093917 | KAR |
Last updated: 2022-07-18 16:21:26
Date range of data: 2022-06-18T00:31:06.177 to 2022-07-18T20:16:30.768.
Sources:
Swaps:
---
title: "Acala / Karura Sandwich Attack Dashboards"
output:
flexdashboard::flex_dashboard:
orientation: rows
vertical_layout: scroll
social: menu
source_code: embed
params:
network: Karura
window: 30
---
```{css custom1, echo=FALSE}
.dataTables_scrollBody {
max-height: 100% !important;
}
```
```{r global, include=FALSE}
knitr::opts_chunk$set(
message = FALSE,
warning = FALSE,
comment = "#>"
)
library(kableExtra)
library(formattable)
library(lubridate)
library(flexdashboard)
library(DT)
library(dygraphs)
library(subscanr)
library(data.table)
library(ghql)
x <- GraphqlClient$new()
window <- params$window
endpoint <- params$endpoint
network <- params$network
swaps <- getSwaps_acala_dex(network, window)
swaps <- merge(swaps, tokens, by.x='token0', by.y='Token') %>% setnames("decimals","decimals0")
swaps[, Name := NULL]
swaps <- merge(swaps, subscanr::tokens, by.x='token1', by.y='Token') %>% setnames("decimals","decimals1")
swaps[, Name := NULL]
swaps[, adj0 := as.numeric(substr(as.character(1e20),1, as.numeric(decimals0) + 1))]
swaps[, adj1 := as.numeric(substr(as.character(1e20),1, as.numeric(decimals1) + 1))]
swaps[, token0InAmount := as.numeric(token0InAmount)]
swaps[, token1OutAmount := as.numeric(token1OutAmount)]
swaps[, price0 := as.numeric(price0) / 1e18]
swaps[, price1 := as.numeric(price1) / 1e18]
swaps[, amount0 := token0InAmount / adj0]
swaps[, amount1 := token1OutAmount / adj1]
swaps[, token0 := subscanr::fixToken(token0)]
swaps[, token1 := subscanr::fixToken(token1)]
swaps[, tradePath := subscanr::fixToken(tradePath)]
swaps[, pathLength := length(strsplit(tradePath, ",")[[1]]) - 1, by = id]
swaps[, volume0USD := amount0 * price0]
swaps[, volume1USD := amount1 * price1]
swaps[, volumeUSDFloat := (volume0USD + volume1USD) / 2]
swaps[volume0USD == 0 & volume1USD > 0, volumeUSDFloat := volume1USD]
swaps[volume1USD == 0 & volume0USD > 0, volumeUSDFloat := volume0USD]
mysort <- function(a, b) ifelse(a < b, a %+% ":" %+% b, b %+% ":" %+% a)
getPath <- function(tradePath) {
# tradePath <- swaps[1]$tradePath
tp <- strsplit(tradePath, ",")[[1]]
n <- length(tp) - 1
if (n == 3) {
return(list(mysort(tp[1],tp[2]), mysort(tp[2],tp[3]), mysort(tp[3],tp[4])))
} else if (n == 2) {
return(list(mysort(tp[1],tp[2]), mysort(tp[2],tp[3]), "NA:NA"))
}
list(mysort(tp[1],tp[2]), "NA:NA", "NA:NA")
}
swaps[, c("pair1", "pair2", "pair3") := getPath(tradePath), by = id]
swaps[, fee := volumeUSDFloat * .03]
swaps[, feeAdj := volumeUSDFloat * .03 * pathLength]
setnames(swaps, "address", "accountId")
index <- strsplit(swaps$id, "-")
index <- do.call("rbind", index)
myindex <- as.numeric(index[, 2])
swaps[, index := myindex]
setorder(swaps, block, index)
starti <- min(swaps$block)
endi <- max(swaps$block)
j <- 1
d <- list()
prof <- list()
for (i in starti:endi) {
# i <- 1829970
tmp <- swaps[block == i]
tmpn <- tmp[, .N, by = 'accountId']
# Look for the same account number 2 times in the same block
if (nrow(tmpn) >= 2 && max(tmpn$N) >= 2) {
acct <- tmp[, .N, by = 'accountId'][N >= 2, accountId]
for (account in acct) {
# account <- acct[1]
for (ii in 1:(nrow(tmp) - 2)) {
if (tmp$token0[ii] == tmp$token1[ii+2] &&
tmp$token1[ii] == tmp$token0[ii+2] &&
tmp$accountId[ii] == tmp$accountId[[ii+2]] &&
tmp$accountId[ii] != tmp$accountId[[ii+1]] &&
length(grep(tmp$token0[ii], tmp$tradePath[ii+1])) > 0 &&
length(grep(tmp$token1[ii], tmp$tradePath[ii+1])) > 0) {
d[[j]] <- tmp[, .(block, index, token0, token1, tradePath, token0InAmount, token1OutAmount, price0, price1, timestamp, accountId)][ii:(ii+2)]
prof[[j]] = data.table(block = tmp$block[ii], time = tmp$timestamp[ii], attacker = tmp$accountId[ii], target = tmp$accountId[ii+1], profit = as.numeric(tmp$token1OutAmount[ii+2]) - as.numeric(tmp$token0InAmount[ii]), currency = tmp$token0[ii])
j <- j + 1
}
} # end for ii
} # end for account
}
}
out <- rbindlist(d)
p <- rbindlist(prof)
output <- unique(p)
output[, profit := profit / 1e12]
output[, attacker := substr(attacker, 1, 8) %+% "..."]
output[, target := substr(target, 1, 8) %+% "..."]
```
### `r network` sandwich attacks in the past 30 days
```{r plot}
dygraph(output[, .N, by = as.Date(time)], main = network %+% " Sandwich Attacks") %>%
dyStackedBarChart()
```
Row
---
### Raw Data
```{r table}
knitr::kable(output, escape = FALSE) %>%
kable_styling()
```
Row
---
### Sources:
Last updated: `r Sys.time()`
Date range of data: `r min(swaps$timestamp)` to `r max(swaps$timestamp)`.
Sources:
* [SubQuery Network](https://explorer.subquery.network/)
Swaps:
* [Acala-Swap-Day-Data](https://api.subquery.network/sq/rogerjbos/acala-swap-day-data)
* [Karura-Swap-Day-Data](https://api.subquery.network/sq/rogerjbos/karura-swap-day-data)